package com.sky.mapper;


import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查询购物车商品
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> queryShoppingCart(ShoppingCart shoppingCart);

    /**
     * 向购物车插入新商品
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 修改商品数量
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumber(ShoppingCart cart);

    /**
     * 查看购物车
     * @param userId
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> list(Long userId);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(Long userId);


    void deleteOne(ShoppingCart shop);

    /**
     * 批量将商品加入数据库
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);

}
